from random import random
from time import perf_counter
DARTS = 10000*10000
hits = 0.0
start = perf_counter()
for i in range(1,DARTS+1):
    x,y = random(),random()
    dist = pow(x ** 2 + y ** 2, 0.5)
    if dist <=1.0 :
        hits += 1
pi = 4*(hits/DARTS)
print("圆周率的值是：%f"%pi)
print("运行时间是：{:.5f}".format(perf_counter()-start))